[sane-devel] Scanning from fujitsu ScanSnap S1500 Error during device I/O

[m. allan noah]

what version of sane-backends is that? Can you also try a test at 600 dpi?

allan

On Fri, Feb 4, 2011 at 4:24 PM, Joachim Franek
<Joachim.Franek at t-online.de> wrote:
> On Friday 04 February 2011 17:53:32 m. allan noah wrote:
>> No, Markus has uncovered a real bug. The S1500 chokes when doing high
>> resolution duplex scans. The backend reads data from both sides of the
>> paper, and buffers the back side. Unfortunately, we read too far ahead
>> on the backside, and the scanner has problems.
>>
>> Do you have the S1500 too? perhaps you could repeat the experiment:
>>
>> scanimage -b -d fujitsu --source "ADF Duplex" --mode color
>>
>> then see if out1.pnm and out2.pnm look reasonable.
>>
>> allan
>>
>
> Hi allan,
>
> yes I have this very nice device,
> to win the war against paper on the command line!
>
> Do you know, how to convince Fujitsu to deliver Abbyy Finereader
> not only for win and mac?
>
> The results (pnm-files) from command 1 to 3 (see below) are ok!
>
> My results:
>
> "Color"
> jjf at nb8:~$ scanimage --device=fujitsu --df-action Stop --batch-count=900 --
> batch-increment=1 --mode=Color --resolution 300 --y-resolution=300  --page-
> height 500.0 --brightness 0 --contrast 0 --source="ADF Duplex" -l 2.0 -t 0.0 -
> x 215 -y 300 --batch=test_%d.pnm --batch-start=1
> scanimage: rounded value of page-height from 500 to 499.998
> scanimage: rounded value of tl-x from 2 to 2.01057
> scanimage: rounded value of br-x from 217.011 to 215.872
> scanimage: rounded value of br-y from 300 to 299.999
> Scanning 900 pages, incrementing by 1, numbering from 1
> Scanning page 1
> Scanned page 1. (scanner status = 5)
> Scanning page 2
> Scanned page 2. (scanner status = 5)
> Scanning page 3
> scanimage: sane_start: Document feeder out of documents
>
> -b added
> jjf at nb8:~$ scanimage -b --device=fujitsu --df-action Stop --batch-count=900 --
> batch-increment=1 --mode=Color --resolution 300 --y-resolution=300  --page-
> height 500.0 --brightness 0 --contrast 0 --source="ADF Duplex" -l 2.0 -t 0.0 -
> x 215 -y 300 --batch=test2_%d.pnm --batch-start=1
> scanimage: rounded value of page-height from 500 to 499.998
> scanimage: rounded value of tl-x from 2 to 2.01057
> scanimage: rounded value of br-x from 217.011 to 215.872
> scanimage: rounded value of br-y from 300 to 299.999
> Scanning 900 pages, incrementing by 1, numbering from 1
> Scanning page 1
> Scanned page 1. (scanner status = 5)
> Scanning page 2
> Scanned page 2. (scanner status = 5)
> Scanning page 3
> scanimage: sane_start: Document feeder out of documents
>
> "color"
> jjf at nb8:~$ scanimage -b --device=fujitsu --df-action Stop --batch-count=900 --
> batch-increment=1 --mode=color --resolution 300 --y-resolution=300  --page-
> height 500.0 --brightness 0 --contrast 0 --source="ADF Duplex" -l 2.0 -t 0.0 -
> x 215 -y 300 --batch=test2_%d.pnm --batch-start=1
> scanimage: rounded value of page-height from 500 to 499.998
> scanimage: rounded value of tl-x from 2 to 2.01057
> scanimage: rounded value of br-x from 217.011 to 215.872
> scanimage: rounded value of br-y from 300 to 299.999
> Scanning 900 pages, incrementing by 1, numbering from 1
> Scanning page 1
> Scanned page 1. (scanner status = 5)
> Scanning page 2
> Scanned page 2. (scanner status = 5)
> Scanning page 3
> scanimage: sane_start: Document feeder out of documents
>
> on Ubuntu 10.04 32bit
>
> Joachim
>
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